Keito Tsuna

Most of the profiles I write have too much material. This one has almost none, and I would rather say so than inflate it. Keito Tsuna was born on Christmas Eve in 1998 in Funabashi, a large commuter city in Chiba Prefecture that sits close enough to Tokyo that nobody living there considers it the provinces. He studied at Nihon University, one of the biggest universities in the country. He is 175 centimeters tall, he acts, and he is signed to Watanabe Entertainment, a long-established Japanese talent agency. The awards column on his record is empty. So is the list of defining roles. That emptiness is not the same thing as insignificance. Japanese acting careers are built almost entirely through television serials, which run for one short season and then vanish, and recognition tends to arrive all at once rather than accumulate. An actor in his late twenties whose file is already complete is usually an actor whose story is over. Tsuna's is conspicuously unfinished. What he does have is a foothold in the part of the business that matters at this stage: active Instagram and X accounts, which in Japan function less as promotion than as the place a younger performer's audience actually gathers and decides whether to stay. Building that following is real work, and it is measurable long before a signature role is. So I am not going to pretend to a verdict. I have a birthday that is easy to remember, a name short enough to stick, and an evidence file that has not been written yet. What I am waiting for is the one production that makes people say "that guy, from that show" - and if it lands, this entry will look absurdly thin in hindsight. I would consider that a good outcome.

Name (English)

Keito Tsuna

Name (Japanese)

綱啓永

Born

December 24, 1998 (age 27)

Zodiac / Chinese zodiac

Capricorn / Tiger

Origin

Funabashi, Chiba Prefecture, Japan

Height

175 cm

Occupation

actor

University

Nihon University

Motto

Private

• Instagramhttps://www.instagram.com/tsuna_keito/
• Xhttps://x.com/27K_1224
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E7%B6%B1%E5%95%93%E6%B0%B8

Tags

• Chiba Prefecture
• actor

Last updated

2026-07-26

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.